diff --git a/src/locales/en_AU/phone_number/format/human.ts b/src/locales/en_AU/phone_number/format/human.ts
index ad3a604fd93..29226a66eaf 100644
--- a/src/locales/en_AU/phone_number/format/human.ts
+++ b/src/locales/en_AU/phone_number/format/human.ts
@@ -1,6 +1,18 @@
+// Australian phone numbers:
+// - Mobile: 04XX XXX XXX / +61 4XX XXX XXX
+// - Landline: 0X XXXX XXXX / +61 X XXXX XXXX (area codes: 2, 3, 7, 8)
+// See: https://en.wikipedia.org/wiki/Telephone_numbers_in_Australia
 export default [
-  '0# #### ####',
-  '+61 # #### ####',
+  // Landline with area code: 0 + 1-digit area code (2,3,7,8) + 8 digits
+  '02 #### ####',
+  '03 #### ####',
+  '07 #### ####',
+  '08 #### ####',
+  '+61 2 #### ####',
+  '+61 3 #### ####',
+  '+61 7 #### ####',
+  '+61 8 #### ####',
+  // Mobile: 04XX XXX XXX / +61 4XX XXX XXX
   '04## ### ###',
   '+61 4## ### ###',
 ];
diff --git a/src/locales/en_AU/phone_number/format/international.ts b/src/locales/en_AU/phone_number/format/international.ts
index 043b5b5fd18..fa15e0fdd7d 100644
--- a/src/locales/en_AU/phone_number/format/international.ts
+++ b/src/locales/en_AU/phone_number/format/international.ts
@@ -1 +1,14 @@
-export default ['+61#########', '+614########'];
+// Australian phone numbers:
+// - Mobile: +614XXXXXXXX (10 digits total after +61)
+// - Landline: +61XYYYYYYYY where X is area code 2-9 (1-digit area code + 8 digits)
+// See: https://en.wikipedia.org/wiki/Telephone_numbers_in_Australia
+// Area codes: 2 (NSW/ACT), 3 (VIC/TAS), 7 (QLD), 8 (SA/NT/WA)
+export default [
+  // Landline with area code: +61 + 1-digit area code (2-9) + 8-digit number
+  '+612########',
+  '+613########',
+  '+617########',
+  '+618########',
+  // Mobile: +614 + 8 digits
+  '+614########',
+];
diff --git a/src/locales/en_AU/phone_number/format/national.ts b/src/locales/en_AU/phone_number/format/national.ts
index d1a881d8436..700ebb88c19 100644
--- a/src/locales/en_AU/phone_number/format/national.ts
+++ b/src/locales/en_AU/phone_number/format/national.ts
@@ -1 +1,12 @@
-export default ['(0#) #### ####', '04## ### ###'];
+// Australian phone numbers:
+// - Landline: (0X) XXXX XXXX (area codes: 2, 3, 7, 8)
+// - Mobile: 04XX XXX XXX
+export default [
+  // Landline with area code
+  '(02) #### ####',
+  '(03) #### ####',
+  '(07) #### ####',
+  '(08) #### ####',
+  // Mobile
+  '04## ### ###',
+];